PPT-Multiplying With Fractions

Lesson 51 Just Follow These Easy Steps Multiply the numerators and write down the answer as your new numerator Multiply the denominators and write down the answer as your new denominator Simplify. The Area Model. Follows Area Model for Multiplication of Whole Numbers. A visual model that assists in learning the standard algorithm. Extends easily to multiplying mixed numbers. Natural extension to . (Part Two). To find 1/8 of something, we divide that thing by 8.. What if we wanted to know what 3/8 of something was? . You’d be doing the same thing 3 times, so you would multiply by 3. . (72 is a whole number – so it’s all in one group. 72 ÷1 is… 72.) . Essential Question: How do we multiply integers? How do we divide integers?. Multiplying Integers . The product of two integers with the same sign is positive.. The product of two integers with different sign is negative.. Unit 5.8. Pages 254-257. . . 2.. 3.. 4.. 1/6. 3/10 . 6/11. 15/64. . Warm Up . Problems. Write each fraction in simplest form.. x =. x =. x 2 =. x =. 1. 3. 4. 5. 3. Presented . to [group/school]. on [date]. . 1. A Multi-State Effort. Developed by State Math Leads from KS, KY, MS, UT, & . WY. WDE Contact: . Laurie.Hernandez@wyo.gov. . Grades 2 – 6 . Fraction Progressions . Made Easy!. My momma. says I should “change” my shirt before she “flips” her lid!. © . Mike’s Math Mall. Using…. CCSS 5NBT.B.7. Same!. Change!. Flip!. Because with a little change to a division of fractions’ problem, you’ll be right back to multiplying!. We have added and subtracted fractions. In this lesson we will multiply fractions. When we add and subtract fractions, we count how many of the same size parts there are. When we multiply fractions, the sizes of the parts change. Consider this multiplication problem: . What does it mean?. Let’s show it diagrammatically. .  . Now, half this third…. The shaded blue part is half of a third, which is.  .  . Now try this yourself. . Remember to draw the diagram.. our friends!. Now, let’s. n. ot get all crazy. with this “friend” stuff,. Mr. Sunshine.. © . Mike’s Math Mall. Multiplying. Made easy!. PowerPoint. Introduction. Multiplying Fractions. Hi! My. We are learning to divide . fractions . using related multiplication.. 2. When would you divide fractions?. One example is when you are trying to figure out how many episodes of your favorite ½ hour tv program you could watch in the 1 ½ hrs you have available. . How does multiplying by a fraction or by a mixed number affect the size of the product?. How can these tiles be used to find 2/3 of 12?. What is 2/3 of 12 markers? . What is 1/3 of 12 markers? . 4.  . Can you name the parts of a fraction?. ?. ?. numerator. denominator. What sort of fractions / numbers are these:.  .  .  . ?. ?. ?. p. roper fraction. improper fraction. m. ixed number. Multiplying Fractions. Multiplying and Dividing Fractions This session will be recorded for learning purposes.  Learning purposes include: a lesson review for students who are absent, students who want to review for a test, etc. Slides 13-15: . Workbook Introduction Problem p. 55 . Slide 16: . Workbook Practice. . p. 57-58. Multiplying Multi-Digit Numbers. Enhanced Learning Task. What do we know?. . What do we need to find?.